Transcreener® High Throughput Screening Assays for Glycosyltransferases

7 Jan 2015

Identifying glycosyltransferase inhibitors remains a challenging task in drug discovery, because for many enzymes in this diverse class, screening methods have been limited to expensive and cumbersome radiolabeled assays or HPLC/MS analyses. As shown here, over the last few years Transcreener® glyscosyltransferase assays have been developed based on the simple and direct immunodetection of nucleotides, which are easily adaptable to automation and systemized high throughput screening protocols.

Transcreener® GDP GTPase Assays

BellBrook Labs

The Transcreener® GDP GTPase Assay Kit directly measures GDP produced during GTP hydrolysis in a homogeneous mix‑and‑read format—no coupling enzymes needed. Compatible with GTPases, GAPs, and GEFs, it supports FP, FI, and TR‑FRET readouts using far‑red tracers to reduce interference. HTS‑ready with excellent sensitivity (Z′ ≥ 0.7), it streamlines screening and profiling workflows.

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Transcreener® AMP²/GMP² Phosphodiesterase Assays

BellBrook Labs

The Transcreener® AMP²/GMP² Phosphodiesterase Assay Kit directly detects AMP or GMP produced by PDEs, ligases, synthetases, ENPP1, and related enzymes using a mix‑and‑read FP or TR‑FRET format—no coupling steps needed. Compatible with 1–1000 µM native substrates, it delivers excellent HTS performance (Z’ ≥ 0.7, ≥100 mP shift) in a one-step, far‑red fluorescence assay.

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Transcreener® UDP² Glycosyltransferase Assays

BellBrook Labs

The Transcreener® UDP² Glycosyltransferase Assay Kit directly detects UDP—the conserved product of glycosyltransferase reactions—in a homogeneous mix-and-read format. Compatible with FP, FI, and TR‑FRET readouts, it supports UDP concentrations from 1–250 µM and delivers exceptional HTS performance (Z’ ≥ 0.7) across 96-, 384-, and 1536‑well formats.

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Transcreener® High Throughput Screening Assays for Glycosyltransferases